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THREAT OPS › Threat News › [NVD] CVE-2025-21664 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: dm thin: make get_first_thin use rcu-safe list first function The documentation in rculist.h explains the absence of list_empty_rcu() and cautions programmers against relying on a list_empty() -> list_first() s

[NVD] CVE-2025-21664 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: dm thin: make get_first_thin use rcu-safe list first function The documentation in rculist.h explains the absence of list_empty_rcu() and cautions programmers against relying on a list_empty() -> list_first() s

lownvdPublished 2025-01-21

CVE-2025-21664 CVSS: 7.8 HIGH Published: 2025-01-21T13:15:10.053

In the Linux kernel, the following vulnerability has been resolved:

dm thin: make get_first_thin use rcu-safe list first function

The documentation in rculist.h explains the absence of list_empty_rcu() and cautions programmers against relying on a list_empty() -> list_first() sequence in RCU safe code. This is because each of the

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-21664